xref: /openbmc/qemu/include/ui/console.h (revision 6832189f)
1 #ifndef CONSOLE_H
2 #define CONSOLE_H
3 
4 #include "ui/qemu-pixman.h"
5 #include "qom/object.h"
6 #include "qemu/notify.h"
7 #include "qapi/qapi-types-ui.h"
8 
9 #ifdef CONFIG_OPENGL
10 # include <epoxy/gl.h>
11 # include "ui/shader.h"
12 #endif
13 
14 /* keyboard/mouse support */
15 
16 #define MOUSE_EVENT_LBUTTON 0x01
17 #define MOUSE_EVENT_RBUTTON 0x02
18 #define MOUSE_EVENT_MBUTTON 0x04
19 #define MOUSE_EVENT_WHEELUP 0x08
20 #define MOUSE_EVENT_WHEELDN 0x10
21 
22 /* identical to the ps/2 keyboard bits */
23 #define QEMU_SCROLL_LOCK_LED (1 << 0)
24 #define QEMU_NUM_LOCK_LED    (1 << 1)
25 #define QEMU_CAPS_LOCK_LED   (1 << 2)
26 
27 /* in ms */
28 #define GUI_REFRESH_INTERVAL_DEFAULT    30
29 #define GUI_REFRESH_INTERVAL_IDLE     3000
30 
31 /* Color number is match to standard vga palette */
32 enum qemu_color_names {
33     QEMU_COLOR_BLACK   = 0,
34     QEMU_COLOR_BLUE    = 1,
35     QEMU_COLOR_GREEN   = 2,
36     QEMU_COLOR_CYAN    = 3,
37     QEMU_COLOR_RED     = 4,
38     QEMU_COLOR_MAGENTA = 5,
39     QEMU_COLOR_YELLOW  = 6,
40     QEMU_COLOR_WHITE   = 7
41 };
42 /* Convert to curses char attributes */
43 #define ATTR2CHTYPE(c, fg, bg, bold) \
44     ((bold) << 21 | (bg) << 11 | (fg) << 8 | (c))
45 
46 typedef void QEMUPutKBDEvent(void *opaque, int keycode);
47 typedef void QEMUPutLEDEvent(void *opaque, int ledstate);
48 typedef void QEMUPutMouseEvent(void *opaque, int dx, int dy, int dz, int buttons_state);
49 
50 typedef struct QEMUPutMouseEntry QEMUPutMouseEntry;
51 typedef struct QEMUPutKbdEntry QEMUPutKbdEntry;
52 typedef struct QEMUPutLEDEntry QEMUPutLEDEntry;
53 
54 QEMUPutKbdEntry *qemu_add_kbd_event_handler(QEMUPutKBDEvent *func,
55                                             void *opaque);
56 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
57                                                 void *opaque, int absolute,
58                                                 const char *name);
59 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry);
60 void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry);
61 
62 QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func, void *opaque);
63 void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry);
64 
65 void kbd_put_ledstate(int ledstate);
66 
67 bool qemu_mouse_set(int index, Error **errp);
68 
69 /* keysym is a unicode code except for special keys (see QEMU_KEY_xxx
70    constants) */
71 #define QEMU_KEY_ESC1(c) ((c) | 0xe100)
72 #define QEMU_KEY_TAB        0x0009
73 #define QEMU_KEY_BACKSPACE  0x007f
74 #define QEMU_KEY_UP         QEMU_KEY_ESC1('A')
75 #define QEMU_KEY_DOWN       QEMU_KEY_ESC1('B')
76 #define QEMU_KEY_RIGHT      QEMU_KEY_ESC1('C')
77 #define QEMU_KEY_LEFT       QEMU_KEY_ESC1('D')
78 #define QEMU_KEY_HOME       QEMU_KEY_ESC1(1)
79 #define QEMU_KEY_END        QEMU_KEY_ESC1(4)
80 #define QEMU_KEY_PAGEUP     QEMU_KEY_ESC1(5)
81 #define QEMU_KEY_PAGEDOWN   QEMU_KEY_ESC1(6)
82 #define QEMU_KEY_DELETE     QEMU_KEY_ESC1(3)
83 
84 #define QEMU_KEY_CTRL_UP         0xe400
85 #define QEMU_KEY_CTRL_DOWN       0xe401
86 #define QEMU_KEY_CTRL_LEFT       0xe402
87 #define QEMU_KEY_CTRL_RIGHT      0xe403
88 #define QEMU_KEY_CTRL_HOME       0xe404
89 #define QEMU_KEY_CTRL_END        0xe405
90 #define QEMU_KEY_CTRL_PAGEUP     0xe406
91 #define QEMU_KEY_CTRL_PAGEDOWN   0xe407
92 
93 void kbd_put_keysym_console(QemuConsole *s, int keysym);
94 bool kbd_put_qcode_console(QemuConsole *s, int qcode, bool ctrl);
95 void kbd_put_string_console(QemuConsole *s, const char *str, int len);
96 void kbd_put_keysym(int keysym);
97 
98 /* consoles */
99 
100 #define TYPE_QEMU_CONSOLE "qemu-console"
101 OBJECT_DECLARE_TYPE(QemuConsole, QemuConsoleClass, QEMU_CONSOLE)
102 
103 
104 struct QemuConsoleClass {
105     ObjectClass parent_class;
106 };
107 
108 #define QEMU_ALLOCATED_FLAG     0x01
109 #define QEMU_PLACEHOLDER_FLAG   0x02
110 
111 typedef struct ScanoutTexture {
112     uint32_t backing_id;
113     bool backing_y_0_top;
114     uint32_t backing_width;
115     uint32_t backing_height;
116     uint32_t x;
117     uint32_t y;
118     uint32_t width;
119     uint32_t height;
120 } ScanoutTexture;
121 
122 typedef struct DisplaySurface {
123     pixman_format_code_t format;
124     pixman_image_t *image;
125     uint8_t flags;
126 #ifdef CONFIG_OPENGL
127     GLenum glformat;
128     GLenum gltype;
129     GLuint texture;
130 #endif
131 } DisplaySurface;
132 
133 typedef struct QemuUIInfo {
134     /* physical dimension */
135     uint16_t width_mm;
136     uint16_t height_mm;
137     /* geometry */
138     int       xoff;
139     int       yoff;
140     uint32_t  width;
141     uint32_t  height;
142     uint32_t  refresh_rate;
143 } QemuUIInfo;
144 
145 /* cursor data format is 32bit RGBA */
146 typedef struct QEMUCursor {
147     int                 width, height;
148     int                 hot_x, hot_y;
149     int                 refcount;
150     uint32_t            data[];
151 } QEMUCursor;
152 
153 QEMUCursor *cursor_alloc(int width, int height);
154 void cursor_get(QEMUCursor *c);
155 void cursor_put(QEMUCursor *c);
156 QEMUCursor *cursor_builtin_hidden(void);
157 QEMUCursor *cursor_builtin_left_ptr(void);
158 void cursor_print_ascii_art(QEMUCursor *c, const char *prefix);
159 int cursor_get_mono_bpl(QEMUCursor *c);
160 void cursor_set_mono(QEMUCursor *c,
161                      uint32_t foreground, uint32_t background, uint8_t *image,
162                      int transparent, uint8_t *mask);
163 void cursor_get_mono_image(QEMUCursor *c, int foreground, uint8_t *mask);
164 void cursor_get_mono_mask(QEMUCursor *c, int transparent, uint8_t *mask);
165 
166 typedef void *QEMUGLContext;
167 typedef struct QEMUGLParams QEMUGLParams;
168 
169 struct QEMUGLParams {
170     int major_ver;
171     int minor_ver;
172 };
173 
174 typedef struct QemuDmaBuf {
175     int       fd;
176     uint32_t  width;
177     uint32_t  height;
178     uint32_t  stride;
179     uint32_t  fourcc;
180     uint64_t  modifier;
181     uint32_t  texture;
182     uint32_t  x;
183     uint32_t  y;
184     uint32_t  scanout_width;
185     uint32_t  scanout_height;
186     bool      y0_top;
187     void      *sync;
188     int       fence_fd;
189     bool      allow_fences;
190     bool      draw_submitted;
191 } QemuDmaBuf;
192 
193 enum display_scanout {
194     SCANOUT_NONE,
195     SCANOUT_SURFACE,
196     SCANOUT_TEXTURE,
197     SCANOUT_DMABUF,
198 };
199 
200 typedef struct DisplayScanout {
201     enum display_scanout kind;
202     union {
203         /* DisplaySurface *surface; is kept in QemuConsole */
204         ScanoutTexture texture;
205         QemuDmaBuf *dmabuf;
206     };
207 } DisplayScanout;
208 
209 typedef struct DisplayState DisplayState;
210 typedef struct DisplayGLCtx DisplayGLCtx;
211 
212 typedef struct DisplayChangeListenerOps {
213     const char *dpy_name;
214 
215     /* optional */
216     void (*dpy_refresh)(DisplayChangeListener *dcl);
217 
218     /* optional */
219     void (*dpy_gfx_update)(DisplayChangeListener *dcl,
220                            int x, int y, int w, int h);
221     /* optional */
222     void (*dpy_gfx_switch)(DisplayChangeListener *dcl,
223                            struct DisplaySurface *new_surface);
224     /* optional */
225     bool (*dpy_gfx_check_format)(DisplayChangeListener *dcl,
226                                  pixman_format_code_t format);
227 
228     /* optional */
229     void (*dpy_text_cursor)(DisplayChangeListener *dcl,
230                             int x, int y);
231     /* optional */
232     void (*dpy_text_resize)(DisplayChangeListener *dcl,
233                             int w, int h);
234     /* optional */
235     void (*dpy_text_update)(DisplayChangeListener *dcl,
236                             int x, int y, int w, int h);
237 
238     /* optional */
239     void (*dpy_mouse_set)(DisplayChangeListener *dcl,
240                           int x, int y, int on);
241     /* optional */
242     void (*dpy_cursor_define)(DisplayChangeListener *dcl,
243                               QEMUCursor *cursor);
244 
245     /* required if GL */
246     void (*dpy_gl_scanout_disable)(DisplayChangeListener *dcl);
247     /* required if GL */
248     void (*dpy_gl_scanout_texture)(DisplayChangeListener *dcl,
249                                    uint32_t backing_id,
250                                    bool backing_y_0_top,
251                                    uint32_t backing_width,
252                                    uint32_t backing_height,
253                                    uint32_t x, uint32_t y,
254                                    uint32_t w, uint32_t h);
255     /* optional (default to true if has dpy_gl_scanout_dmabuf) */
256     bool (*dpy_has_dmabuf)(DisplayChangeListener *dcl);
257     /* optional */
258     void (*dpy_gl_scanout_dmabuf)(DisplayChangeListener *dcl,
259                                   QemuDmaBuf *dmabuf);
260     /* optional */
261     void (*dpy_gl_cursor_dmabuf)(DisplayChangeListener *dcl,
262                                  QemuDmaBuf *dmabuf, bool have_hot,
263                                  uint32_t hot_x, uint32_t hot_y);
264     /* optional */
265     void (*dpy_gl_cursor_position)(DisplayChangeListener *dcl,
266                                    uint32_t pos_x, uint32_t pos_y);
267     /* optional */
268     void (*dpy_gl_release_dmabuf)(DisplayChangeListener *dcl,
269                                   QemuDmaBuf *dmabuf);
270     /* required if GL */
271     void (*dpy_gl_update)(DisplayChangeListener *dcl,
272                           uint32_t x, uint32_t y, uint32_t w, uint32_t h);
273 
274 } DisplayChangeListenerOps;
275 
276 struct DisplayChangeListener {
277     uint64_t update_interval;
278     const DisplayChangeListenerOps *ops;
279     DisplayState *ds;
280     QemuConsole *con;
281 
282     QLIST_ENTRY(DisplayChangeListener) next;
283 };
284 
285 typedef struct DisplayGLCtxOps {
286     bool (*dpy_gl_ctx_is_compatible_dcl)(DisplayGLCtx *dgc,
287                                          DisplayChangeListener *dcl);
288     QEMUGLContext (*dpy_gl_ctx_create)(DisplayGLCtx *dgc,
289                                        QEMUGLParams *params);
290     void (*dpy_gl_ctx_destroy)(DisplayGLCtx *dgc,
291                                QEMUGLContext ctx);
292     int (*dpy_gl_ctx_make_current)(DisplayGLCtx *dgc,
293                                    QEMUGLContext ctx);
294     void (*dpy_gl_ctx_create_texture)(DisplayGLCtx *dgc,
295                                       DisplaySurface *surface);
296     void (*dpy_gl_ctx_destroy_texture)(DisplayGLCtx *dgc,
297                                       DisplaySurface *surface);
298     void (*dpy_gl_ctx_update_texture)(DisplayGLCtx *dgc,
299                                       DisplaySurface *surface,
300                                       int x, int y, int w, int h);
301 } DisplayGLCtxOps;
302 
303 struct DisplayGLCtx {
304     const DisplayGLCtxOps *ops;
305 #ifdef CONFIG_OPENGL
306     QemuGLShader *gls; /* optional shared shader */
307 #endif
308 };
309 
310 DisplayState *init_displaystate(void);
311 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
312                                                 pixman_format_code_t format,
313                                                 int linesize, uint8_t *data);
314 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image);
315 DisplaySurface *qemu_create_placeholder_surface(int w, int h,
316                                                 const char *msg);
317 PixelFormat qemu_default_pixelformat(int bpp);
318 
319 DisplaySurface *qemu_create_displaysurface(int width, int height);
320 void qemu_free_displaysurface(DisplaySurface *surface);
321 
322 static inline int is_buffer_shared(DisplaySurface *surface)
323 {
324     return !(surface->flags & QEMU_ALLOCATED_FLAG);
325 }
326 
327 static inline int is_placeholder(DisplaySurface *surface)
328 {
329     return surface->flags & QEMU_PLACEHOLDER_FLAG;
330 }
331 
332 void register_displaychangelistener(DisplayChangeListener *dcl);
333 void update_displaychangelistener(DisplayChangeListener *dcl,
334                                   uint64_t interval);
335 void unregister_displaychangelistener(DisplayChangeListener *dcl);
336 
337 bool dpy_ui_info_supported(QemuConsole *con);
338 const QemuUIInfo *dpy_get_ui_info(const QemuConsole *con);
339 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info, bool delay);
340 
341 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h);
342 void dpy_gfx_update_full(QemuConsole *con);
343 void dpy_gfx_replace_surface(QemuConsole *con,
344                              DisplaySurface *surface);
345 void dpy_text_cursor(QemuConsole *con, int x, int y);
346 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h);
347 void dpy_text_resize(QemuConsole *con, int w, int h);
348 void dpy_mouse_set(QemuConsole *con, int x, int y, int on);
349 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor);
350 bool dpy_cursor_define_supported(QemuConsole *con);
351 bool dpy_gfx_check_format(QemuConsole *con,
352                           pixman_format_code_t format);
353 
354 void dpy_gl_scanout_disable(QemuConsole *con);
355 void dpy_gl_scanout_texture(QemuConsole *con,
356                             uint32_t backing_id, bool backing_y_0_top,
357                             uint32_t backing_width, uint32_t backing_height,
358                             uint32_t x, uint32_t y, uint32_t w, uint32_t h);
359 void dpy_gl_scanout_dmabuf(QemuConsole *con,
360                            QemuDmaBuf *dmabuf);
361 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
362                           bool have_hot, uint32_t hot_x, uint32_t hot_y);
363 void dpy_gl_cursor_position(QemuConsole *con,
364                             uint32_t pos_x, uint32_t pos_y);
365 void dpy_gl_release_dmabuf(QemuConsole *con,
366                            QemuDmaBuf *dmabuf);
367 void dpy_gl_update(QemuConsole *con,
368                    uint32_t x, uint32_t y, uint32_t w, uint32_t h);
369 
370 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
371                                 QEMUGLParams *params);
372 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx);
373 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx);
374 
375 bool console_has_gl(QemuConsole *con);
376 
377 static inline int surface_stride(DisplaySurface *s)
378 {
379     return pixman_image_get_stride(s->image);
380 }
381 
382 static inline void *surface_data(DisplaySurface *s)
383 {
384     return pixman_image_get_data(s->image);
385 }
386 
387 static inline int surface_width(DisplaySurface *s)
388 {
389     return pixman_image_get_width(s->image);
390 }
391 
392 static inline int surface_height(DisplaySurface *s)
393 {
394     return pixman_image_get_height(s->image);
395 }
396 
397 static inline int surface_bits_per_pixel(DisplaySurface *s)
398 {
399     int bits = PIXMAN_FORMAT_BPP(s->format);
400     return bits;
401 }
402 
403 static inline int surface_bytes_per_pixel(DisplaySurface *s)
404 {
405     int bits = PIXMAN_FORMAT_BPP(s->format);
406     return DIV_ROUND_UP(bits, 8);
407 }
408 
409 static inline pixman_format_code_t surface_format(DisplaySurface *s)
410 {
411     return s->format;
412 }
413 
414 typedef uint32_t console_ch_t;
415 
416 static inline void console_write_ch(console_ch_t *dest, uint32_t ch)
417 {
418     *dest = ch;
419 }
420 
421 enum {
422     GRAPHIC_FLAGS_NONE     = 0,
423     /* require a console/display with GL callbacks */
424     GRAPHIC_FLAGS_GL       = 1 << 0,
425     /* require a console/display with DMABUF import */
426     GRAPHIC_FLAGS_DMABUF   = 1 << 1,
427 };
428 
429 typedef struct GraphicHwOps {
430     int (*get_flags)(void *opaque); /* optional, default 0 */
431     void (*invalidate)(void *opaque);
432     void (*gfx_update)(void *opaque);
433     bool gfx_update_async; /* if true, calls graphic_hw_update_done() */
434     void (*text_update)(void *opaque, console_ch_t *text);
435     void (*ui_info)(void *opaque, uint32_t head, QemuUIInfo *info);
436     void (*gl_block)(void *opaque, bool block);
437 } GraphicHwOps;
438 
439 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
440                                   const GraphicHwOps *ops,
441                                   void *opaque);
442 void graphic_console_set_hwops(QemuConsole *con,
443                                const GraphicHwOps *hw_ops,
444                                void *opaque);
445 void graphic_console_close(QemuConsole *con);
446 
447 void graphic_hw_update(QemuConsole *con);
448 void graphic_hw_update_done(QemuConsole *con);
449 void graphic_hw_invalidate(QemuConsole *con);
450 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata);
451 void graphic_hw_gl_block(QemuConsole *con, bool block);
452 
453 void qemu_console_early_init(void);
454 
455 void qemu_console_set_display_gl_ctx(QemuConsole *con, DisplayGLCtx *ctx);
456 
457 QemuConsole *qemu_console_lookup_by_index(unsigned int index);
458 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head);
459 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
460                                                 uint32_t head, Error **errp);
461 QemuConsole *qemu_console_lookup_unused(void);
462 bool qemu_console_is_visible(QemuConsole *con);
463 bool qemu_console_is_graphic(QemuConsole *con);
464 bool qemu_console_is_fixedsize(QemuConsole *con);
465 bool qemu_console_is_gl_blocked(QemuConsole *con);
466 bool qemu_console_is_multihead(DeviceState *dev);
467 char *qemu_console_get_label(QemuConsole *con);
468 int qemu_console_get_index(QemuConsole *con);
469 uint32_t qemu_console_get_head(QemuConsole *con);
470 int qemu_console_get_width(QemuConsole *con, int fallback);
471 int qemu_console_get_height(QemuConsole *con, int fallback);
472 /* Return the low-level window id for the console */
473 int qemu_console_get_window_id(QemuConsole *con);
474 /* Set the low-level window id for the console */
475 void qemu_console_set_window_id(QemuConsole *con, int window_id);
476 
477 void console_select(unsigned int index);
478 void qemu_console_resize(QemuConsole *con, int width, int height);
479 DisplaySurface *qemu_console_surface(QemuConsole *con);
480 
481 /* console-gl.c */
482 #ifdef CONFIG_OPENGL
483 bool console_gl_check_format(DisplayChangeListener *dcl,
484                              pixman_format_code_t format);
485 void surface_gl_create_texture(QemuGLShader *gls,
486                                DisplaySurface *surface);
487 void surface_gl_update_texture(QemuGLShader *gls,
488                                DisplaySurface *surface,
489                                int x, int y, int w, int h);
490 void surface_gl_render_texture(QemuGLShader *gls,
491                                DisplaySurface *surface);
492 void surface_gl_destroy_texture(QemuGLShader *gls,
493                                DisplaySurface *surface);
494 void surface_gl_setup_viewport(QemuGLShader *gls,
495                                DisplaySurface *surface,
496                                int ww, int wh);
497 #endif
498 
499 typedef struct QemuDisplay QemuDisplay;
500 
501 struct QemuDisplay {
502     DisplayType type;
503     void (*early_init)(DisplayOptions *opts);
504     void (*init)(DisplayState *ds, DisplayOptions *opts);
505 };
506 
507 void qemu_display_register(QemuDisplay *ui);
508 bool qemu_display_find_default(DisplayOptions *opts);
509 void qemu_display_early_init(DisplayOptions *opts);
510 void qemu_display_init(DisplayState *ds, DisplayOptions *opts);
511 void qemu_display_help(void);
512 
513 /* vnc.c */
514 void vnc_display_init(const char *id, Error **errp);
515 void vnc_display_open(const char *id, Error **errp);
516 void vnc_display_add_client(const char *id, int csock, bool skipauth);
517 int vnc_display_password(const char *id, const char *password);
518 int vnc_display_pw_expire(const char *id, time_t expires);
519 void vnc_parse(const char *str);
520 int vnc_init_func(void *opaque, QemuOpts *opts, Error **errp);
521 bool vnc_display_reload_certs(const char *id,  Error **errp);
522 bool vnc_display_update(DisplayUpdateOptionsVNC *arg, Error **errp);
523 
524 /* input.c */
525 int index_from_key(const char *key, size_t key_length);
526 
527 #ifdef CONFIG_LINUX
528 /* udmabuf.c */
529 int udmabuf_fd(void);
530 #endif
531 
532 /* util.c */
533 bool qemu_console_fill_device_address(QemuConsole *con,
534                                       char *device_address,
535                                       size_t size,
536                                       Error **errp);
537 
538 #endif
539